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Trimellitic acid

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Identification
Molecular formula
C9H6O6
CAS number
528-44-9
IUPAC name
benzene-1,2,4-tricarboxylic acid
State
State

At room temperature, trimellitic acid is in a solid state, typically appearing as a white crystalline powder.

Melting point (Celsius)
217.00
Melting point (Kelvin)
490.00
Boiling point (Celsius)
240.00
Boiling point (Kelvin)
513.00
General information
Molecular weight
210.14g/mol
Molar mass
210.1360g/mol
Density
1.4870g/cm3
Appearence

Trimellitic acid appears as a white crystalline solid. It has a distinct crystalline form and is often found in powdered form.

Comment on solubility

Solubility of Benzene-1,2,4-tricarboxylic Acid

Benzene-1,2,4-tricarboxylic acid, also known by its more common name, citric acid, exhibits interesting solubility properties that are notable in both organic and aqueous environments. Here are some key points regarding its solubility:

  • Polar Nature: The presence of three carboxylic acid groups (–COOH) in its structure enhances the molecule's polarity, making it more soluble in water compared to non-polar compounds.
  • Aqueous Solubility: Citric acid is highly soluble in water, typically dissolving up to 100 g/L at room temperature, which supports its use in various biological and industrial applications.
  • Solvent Interactions: In organic solvents, the solubility can vary significantly. For instance, it tends to have lower solubility in non-polar solvents due to a lack of favorable interactions.
  • pH Dependencies: The solubility of citric acid can also depend on the pH of the solution. At higher pH levels, the deprotonation of carboxyl groups may influence its solubility characteristics.

In summary, benzene-1,2,4-tricarboxylic acid is an excellent example of a compound whose solubility is largely influenced by its molecular structure, polarity, and the nature of the solvent it is in. Its high solubility in water makes it an essential compound in various applications, allowing it to function effectively as a natural preservative and flavoring agent.

Interesting facts

Interesting Facts about Benzene-1,2,4-tricarboxylic Acid

Benzene-1,2,4-tricarboxylic acid, commonly known as citric acid, is an important organic compound with several fascinating characteristics and applications that make it significant in both the scientific community and everyday life.

Key Highlights

  • Natural Occurrence: Citric acid is naturally found in various fruits, particularly in citrus fruits like lemons and oranges, giving them their distinctive sour taste.
  • Role in Metabolism: In biochemistry, it plays a pivotal role in the citric acid cycle (Krebs cycle), which is crucial for aerobic respiration in many living organisms.
  • Industrial Use: This compound is widely used in the food and beverage industry as a preservative and flavoring agent, making it essential in the production of soft drinks, candies, and jams.
  • Eco-Friendly Cleaner: Due to its mildness and effectiveness, citric acid is often used as a natural cleaning agent, helping to dissolve mineral deposits and grease in household products.
  • Versatility in Chemistry: It serves as a chelating agent, able to bind metals, which is beneficial in various chemical reactions and laboratory applications.

As a molecule, benzene-1,2,4-tricarboxylic acid showcases the beautiful interplay between structure and function; its three carboxylic acid groups allow for diverse interactions with other chemical entities, enhancing its reactivity.

Overall, the multifaceted nature of citric acid contributes to its prominence not only in the culinary arts but also in the fields of biochemistry and environmental science. As a chemistry student, you might find analyzing its various applications and mechanisms both challenging and rewarding.

Synonyms
1,2,4-Benzenetricarboxylic acid
528-44-9
TRIMELLITIC ACID
Benzene-1,2,4-tricarboxylic acid
4-Carboxyphthalic acid
UNII-7NVY29MQ5F
EINECS 208-432-3
7NVY29MQ5F
NSC 72986
BRN 2214815
DTXSID3021487
CHEBI:166055
NSC-72986
TRIMELLITIC ACID [MI]
DTXCID101487
4-09-00-03746 (Beilstein Handbook Reference)
4Carboxyphthalic acid
1,2,4Tricarboxybenzene
1,2,4benzenetricarboxylic acid
1,3,4Benzenetricarboxylic acid
1,4,5Benzenetricarboxylic acid
Benzene1,2,4tricarboxylic acid
arcgxlsvlaojql-uhfffaoysa-n
inchi=1/c9h6o6/c10-7(11)4-1-2-5(8(12)13)6(3-4)9(14)15/h1-3h,(h,10,11)(h,12,13)(h,14,15
1,2,4-Tricarboxybenzene
1,3,4-Benzenetricarboxylic acid
1,4,5-Benzenetricarboxylic acid
Trimellic Acid
MFCD00002470
1,2,4-Benzenetricarboxylicacid
CAS-528-44-9
GHM
1,4-Tricarboxybenzene
WLN: QVR BVQ DVQ
SCHEMBL23861
1,4-Benzenetricarboxylic acid
CHEMBL296024
HMS1668A11
NSC72986
Tox21_201939
Tox21_302990
AC2198
BBL011593
STL163328
AKOS005716310
CCG-245088
CS-W015125
FB33024
NCGC00164021-01
NCGC00164021-02
NCGC00256331-01
NCGC00259488-01
AC-12673
AS-17898
SY010192
1,2,4-Benzenetricarboxylic acid, >=99%
DB-071592
B0042
EU-0066742
NS00002199
EN300-24942
All Photos(1)1,2,4-Benzenetricarboxylic acid
AH-034/32470036
Benzene-1,2,4-tricarboxylic acid, Trimellitic acid
Q2001805
Z203045298